Florentine l



2 Sheets-Sheet 1.

v1. L. STONE.

PAPER BOXMAGHINE.

(No Model.)

Patented July 5, 1887.

u. PETERS. Pholo-Lilhagmphur. Washington. 0.0

(No Model.) 2 Sheets-Sheet 2.

F. L. STONE. PAPER BOX MACHINE.

No. 365,879. Patented July 5, 1887. r

the box.

UNITED STATES,

PATENT FFlCF...

FLORENTINE STONE, OF BROGKTON, MASSACHUSETTS, ASSIGNOR TO J". A

ARTHUR NELSON, OF SAME PLACE.

PAP ER-BOX MACHINE.

SPECIFICATION forming part of Letters Patent No. 365,879, dated July '5, lsav.

I I Application filed A1rilG,18E5. Serial No. 161,387. (No model.)

7 [O ings.

This invention relates to improvements in power-machines for making paper boxes; and 1t is carried out as follows, reference being had to the accompanying drawings, where- Figure 1 represents a plan view of the improved machine. Fig. 2 represents a sectional side elevation, one half being shown in section and the other half in elevation. Fig. 3represents a sectional front elevation, one half being shown in section and the other half in elevat1on. Fig. 4 represents a detail view of the box-raising mechanism, said view being an enlarged cross-section on the line A B, shown in Fig. 1. Figs. 5 and 6 represent in plan and side elevation the adjustable cam or screw-ring for regulating the downward pressure of the clampingjaws. Figs. 7 and8 represent in plan and side elevation the divided detachable ring used on the standard for obtaining the down- 3.) ward pressure on the clamping-jaws when the machine is used for securing the bottom of a box to its sides and ends. Fig. 9 represents 1n perspective the sides and ends of a box united together with the bottom piece made separate from such sides and ends. Fig. 10 represents a perspective view of the boxformer with its side springs as used for securing the end pieces (or side pieces) to the other portion of the box, and Fig. 11 represents an end View 0 of the clamping-jaws used for this purpose.

Fig. 12 represents in perspective the bottom and sides (or ends) of the box as made in one piece with the ends (or sides) separate and in position to be secured to theother portions of Fig. 13 represents a modified form of making boxes with my improved machine.

Similar letters refer to similar parts wherever they occur on the drawings.

a in Figs. 2 and 3 is the hollow standard, to the upper end of which is secured the plate or table 6, upon which rests thehollow inverted metal boxformer c, which is temporarily secured in any suitable manner to the top of table b, and removable therefrom if a change in the size of the box is to be made. The top of box-former c is provided with perforations c, to facilitate-the removal of the box when finished. with a sharp corner, 0', on its upper edge at the junction with the top portion of said boxformer, and there provided with a yielding bed, 0, preferably made of wood, as shown in Fig. 4, and this is done for the purpose of permitting the edges of the box-to be bent by cor,- respondingly-shaped clamping-j aws beyond a right angle while the sides of the box are being united to its bottom. The edges of the box so pressed together are found in practice to hold together more firmly, as compared with boxes made on machines having right-angle clamping-jaws and box-former. V

In bearings in the lower part of standard a is located the crank-shaft provided with crank d, jointed to the upwardly-projecting connecting-rod (1". (Shown in Figs. 2 and To shaft 0' is further secured the gear-wheel c, meshing into the pinion f, secured to driviugshaftf, the latter having also secured to it the lougitudinallyadj ustable friction-clutch f, that is pressed against the loosely-mounted pulley f on shaftf by means of the treadlelever f or other well-known friction or clutch mechanism.

It is desirable that the machine should always come to a stop with the crank d in its highest position, as shown in Fig. 3, to enable the fiuishedbox to be freely removed from its former, and for this purpose atthe same time as the friction-clutch f is pressed by lever 1" against pulley f it also acts on a rod, g, to which a tooth, g, is attached, so as to release the latter from a corresponding locking-notch in the side of gear-wheel d, as shown in Fig. 2, such tooth y being caused to enter the lock-- ing-notch on wheel d by the influence of a suit- The box-former c is preferably made able spring, 9, or weight, when the wheel (1 has made one complete revolution.

To the upper end of the connecting rod (1 is secured the horizontal pin (1", that passes through the slotted perforations a a in the sides of standard a, and enters annular hub of the vertically-movable block 71, by means of which the clamping-jaws of the machine are operated to and from the box-former 0. The block h is in the form of a cross with four arms, each one provided in its outer end with a pin and roll, it, located in the slotted lever 2', each such slotted lever beinghung at z" to the table I), and having hinged to its upper end the link i, the inner end of which is hinged to a projection onthe under side of the horizontally and vertically adjustable clamping-jaw support It, as shown in Figs. 2 and'3.

Each clamp-su 'lport k has a -groove, 7c, on its upper side, and by means of the -headed bolt 70 is secured to said support It, in an adjustable manner, the clamp-block k, to the inside of which is secured the box-clamping jaw Z, having a edownwardly-projecting lip, Z, in its upper end, corresponding in angle to the upper edge of the box-former c, for the purpose set forth. an m are links hinged in their upper ends to the clamp-supports k, and in their lower ends to the verticallymovable block 11-, the hub of which is guided on the outside of standard a, as shown in Figs. 2 and 3. The block it is normallyheld in its highest position by means of springs 0 0, acting on levers o 0, that are hinged to the standard a at 0 0, and provided with rods 0 0 or similar devices interposed between the outer ends of spring-pressed levers 0 0 and under side of block'n, as shown in Figs. 2 and 3.

By means of the crank-shaft d and its connecting mechanism, as above described, to the clamping-jaws Z Z the latter are positively operated to and from the box-former c, and when thejaws ZZ have reached the limit of their inward motion it is essential that they should be forced downward to unite the glued edges of the bottom piece, 1), to the upwardly-projecting edges pp of the box-body 1?, (shown in Fig. 9;) and it is also requisite that such downward pressure of the jaws Z on the inverted box held on the former 0 should be ad justable, to compensate for variations in the thickness of the material of which the box is made, and for this purpose I provide the cen tral portion of the block a with an annular projection, 12, the upper face of which is made inclined, cam shaped, or helical, and on top of which rests the annular ring it", (shown in detail in Figs. 5 and 6,) the under side of which is made inclined, cam-shaped, or helical, to correspond with the upper side of projection n; and it will be seen that said ring a can be vertically adjusted simply by turning it around its axis while it rests on the ringn, and after being so adjusted, for the purpose set forth, it may be secured to the latter by means of a set screw, pin, spring, or similar retaining device.

On top of the adjustable ring n rests loosely the divided annular ring N, (thatis made in two semicircular parts, as shown in Figs. 7 and 8,) and to retain said ring N in position on top of ring a, I provide the upper side of the latter with recesses n a, into which the pro ections N N on the under side of ring N are made to rest, and thus preventing the semicircular parts of the divided ring N from dropping off the ring a. The desired downward pressure of clamping-jaws Z Z is thus obtained by the under side of the block it striking on top of ring N, by which the block a is forced downward against the influence of springs 0 0 until the lips Z Z of the clamping-jaws Zare brought hard up against the edges of the box that IS- being made.

The description of the machine so far relates to its use for securing the pasted or glued edges of the bottom of a boX to its sides and ends of the kind shown in Fig. 9.

In Fig. 12 Q represents the bottom ofsa box,

and Q. Q its sides (or ends) made in one piece,

to the edges q q of which are to be glued the ends (or sides) Q q, and for this purposeI use a box-former, c, as shown in Fig. 10, which is preferably made flat on top, and to its sides (or ends) I attach yielding guide-springs O Q, with curved or flaring upper edges, to permit the sides (or ends) Q Qjof the box-body to be inserted and guided between the box-former and said springs, the latter having end projections, O C, to serve as guides for the ends (or sides) g g while in the act of being forced by the clamping-jaws against the body portion of the box. In making boxes of this kind it will readily be understood that no downward pressure of the clamping-jaws H is needed, and therefore I remove the divided ring N from its supportingring n, by which removal the block h is permitted to descend to the end of its stroke without causing any downward motion on the block it. It will also be' understood that instead of four laterally-movable clamping-jaws I need only use two diametrically-opposite ones, and therefore I disconnect two of suchjaws and their blocks from their respective supports. In making this kind of boxes with my improved machine I use clamping-jaws L of the kind shown in Fig. 11, having an obtuse lip, L, to aid in bending the projecting edge of the body of the box against the inside of the end (or side) pieces as they are laterally compressed against the stationary, former 0 during the operation of making a box of the kind shown in Fig. 12.

- It is sometimes desirable to make boxes of the form shown in Fig. 13, in which the bottom 1) has lips o v, to be glued to the body V, for which purpose I use a box-former, as shown in Fig. 10, without its guide-springs O O, and use four clamping-jaws, L L, of the form. shown in Fig. 11, which are simultaneously forced against the; box-body to unite it to the glued lips oc.

\Vhether the box isv made in the manner shown in Figs. 9, 12, or 13, it is desirable that it should be automatically removed from the secured a pin or projection, 1' (shown in dotformer a after it is put together, and for this purpose I construct the following releasing mechanism:

. In two opposite clamp blocks, 70, are loosely journaled the horizontal spindles r r, as shown in Figs. 1, 2, 3, and 4. To each of such spindles are secured the laterally-adj ustable levers r'r, the lowerends of which are hinged to the feet orbox-lifters1"1'. (Shown in detail in Fig. 4.) Back of the lower end of each lever 1" is ted lines in Fig. 4,) to the foot 1, by means of which the foot 0- and its lever 1" are locked together when the latter is swung upward or i'orwardin the direction toward the box-former c and permitted to slide horizontally on the table I) when the lever a" is swung in the opposite direction. For the purpose of automatically operating said levers r, I secure to the table I) the bracket s-one for each spindle r-such brackets being made horizontally adjustable to and from the box-former c, accord ing to the size of the latter, by means of setscrews 8 8. (Shown in Figs. 1, 2, 3, and 4.) To each bracket 8 is secured, by means of setscrew 8", the vertically-adjustable bearing 15, having a horizontal pin, screw, or spindle, t, on which is journaled the cam t, having a stop projection, i normally held to rest against the stationary stop projection i on the bearing t, as shown in Fig. 4, and it is so held by the influence of a yielding spring, Z. (Shown in dotted lines in Fig. 4 and in full lines in Figs.

' 1 and 2.) To the spindle r is secured the hub it, having a cam or projection, u, on its under side, as shown in Fig. 4..

The operation is as follows: As the clampblock 7c is in the act of moving toward the box-former c the cam projection it comes in contact with the yielding cam t, causing the latter to turn on its axis sufficiently to allow the projection u to pass by it, and as soon as said projection 11. has passed by the cam t the latter is returned to its normal position (shown in Fig. 4) by the influence of its yielding spring t. After the box has been set and compressed between the box former a and the clamping-jaws Z Z, the latter are first raised to release the downward pressure on the box, and afterward moved horizontally away from the sides of the box-former c, and during such outward motion of the clamping-jaws the projection a on cam it comes in contact with the cam! on spindle t, causing the rod r to be rocked and the lever 9*,with its foot 0, to be raised, causing the now finished box to be raised upward by the feet 1" r sufliciently to be easily removed from the box-former.

The operation of the machine for making boxes of the construction shown in Fig. 9 is as follows: We will suppose the clampingjaws Z Z to be in their upper and outer portions, as shown in Figs. 1, 2, and 3. The boxbod y P is then placed around the box-former c, the upper edges, 1) p, projecting above the upper edge of the box-former. The previously gummed or glued bottom piece, 1), is then laid on top of box-former 0, within the projecting flaps p of the boxbody I. The machine is then set in operation by depressing the treadle f",causing the clampingjaws Z Z Z Z first to move ward to expand laterally until they reach their original positions, (shown in Figs. 1, 2, and 3,) when the machine is automatically brought to a stop by the lock projection g dropping into the recess on the side of gear-wheel cZ,as herei nabove described. During the lateral expansive movement of the clamping-jaws ZZthe now finished box is automatically removed from the box-former c by the automatic lifters r 1', hereinbefore fully described.

Having thus fully described the nature, construetion, and operation of my invention, I wish to secure by Letters Patent, and claim 1. In a paperbox machine,,the folder-lips Z, made at an angle less than a right angle with the face of the folder Z, in combination with the beveled former c, substantially as and for the purpose described.

2. In a paperbox machine, the stationary box-former c, in combination with the laterally and vertically movable clamping-jaws Z Z, as and for the purpose set forth.

3. In a paper-box machine, the stationary box-former c and laterally-movable clampingjaws Z Z, in combination with vertically-movable block h, its pin and rolls h, slotted levers "Z 71, links Z, sliding clamp-supports 7c in, and laterallyadjustable clamp-blocks It, as and for the purpose set forth.

4. In a paperbox machine, the stationary box-fo rm er 0 and verticallyanovable clampingjaws Z Z, in combination with the vertically movable block it, the vertically-yielding block a, and links at m, jointed in their lower ends IOC IIO

to said block it, and in their upper ends to the clampsupports k k, as and for the purpose set forth.

5. In an organized paperbox machine, the vertically-1novable block hand its connecting mechanism to the elampingjaws, and the vertically-yielding block 92, having helical or cam movable block h, for imparting a lateral motion to the clamping-jaws Z Z, and vertically- Inovable block 12, for imparting a vertical motion to such jaws, in combination with thein- 5 terposcd detachable divided ring N, as and for the purpose set forth.

8. In a paper-box machine, the clamp-supports 70 70, links m m, and block a, in combination with rods 0 0 levers 0 0, and springs 00, [0 as and for the purpose set forth.

9. In a paper-box machine, the box-former 0, in combination with the guide-springs O 0, having ends or wings O G, projecting beyond the box-former in a lateral direction, as and 15 for the purpose set forth.

10. In a paper-box machine, the rotary shaft d, its crank d, and connecting-rod d, in combination with block h, and connecting mechanism to the clamping-jaws Z l, as described, and block a, with its connecting mech- 2o anism to said jaws, as described, in a manner and for the purpose as set forth.

In testimony whereof I have affixed my signature in presence of two witnesses.

FLORENTINE L. STONE.

WVitnesses:

OI-IARLEs W. SUMNER, HERBERT H. CHASE. 

